|
|
@@ -1,80 +0,0 @@
|
|
|
-/*
|
|
|
- * Licensed to the Apache Software Foundation (ASF) under one or more
|
|
|
- * contributor license agreements. See the NOTICE file distributed with
|
|
|
- * this work for additional information regarding copyright ownership.
|
|
|
- * The ASF licenses this file to You under the Apache License, Version 2.0
|
|
|
- * (the "License"); you may not use this file except in compliance with
|
|
|
- * the License. You may obtain a copy of the License at
|
|
|
- *
|
|
|
- * http://www.apache.org/licenses/LICENSE-2.0
|
|
|
- *
|
|
|
- * Unless required by applicable law or agreed to in writing, software
|
|
|
- * distributed under the License is distributed on an "AS IS" BASIS,
|
|
|
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
|
- * See the License for the specific language governing permissions and
|
|
|
- * limitations under the License.
|
|
|
- */
|
|
|
-package org.apache.dubbo.rpc.cluster.router.condition.config;
|
|
|
-
|
|
|
-import org.apache.dubbo.common.URL;
|
|
|
-import org.apache.dubbo.common.config.configcenter.ConfigChangedEvent;
|
|
|
-import org.apache.dubbo.common.config.configcenter.DynamicConfiguration;
|
|
|
-import org.apache.dubbo.common.logger.ErrorTypeAwareLogger;
|
|
|
-import org.apache.dubbo.common.logger.LoggerFactory;
|
|
|
-import org.apache.dubbo.common.utils.CollectionUtils;
|
|
|
-import org.apache.dubbo.common.utils.StringUtils;
|
|
|
-import org.apache.dubbo.rpc.Invoker;
|
|
|
-import org.apache.dubbo.rpc.cluster.router.state.BitList;
|
|
|
-
|
|
|
-import static org.apache.dubbo.common.constants.LoggerCodeConstants.CLUSTER_TAG_ROUTE_EMPTY;
|
|
|
-import static org.apache.dubbo.common.utils.StringUtils.isEmpty;
|
|
|
-
|
|
|
-/**
|
|
|
- * Application level router, "application.condition-router"
|
|
|
- */
|
|
|
-public class ProviderAppStateRouter<T> extends ListenableStateRouter<T> {
|
|
|
- private static final ErrorTypeAwareLogger logger = LoggerFactory.getErrorTypeAwareLogger(ListenableStateRouter.class);
|
|
|
- public static final String NAME = "PROVIDER_APP_ROUTER";
|
|
|
- private String application;
|
|
|
- private final String currentApplication;
|
|
|
-
|
|
|
- public ProviderAppStateRouter(URL url) {
|
|
|
- super(url, url.getApplication());
|
|
|
- this.currentApplication = url.getApplication();
|
|
|
- }
|
|
|
-
|
|
|
- @Override
|
|
|
- public void notify(BitList<Invoker<T>> invokers) {
|
|
|
- if (CollectionUtils.isEmpty(invokers)) {
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- Invoker<T> invoker = invokers.get(0);
|
|
|
- URL url = invoker.getUrl();
|
|
|
- String providerApplication = url.getRemoteApplication();
|
|
|
-
|
|
|
- // provider application is empty or equals with the current application
|
|
|
- if (isEmpty(providerApplication)) {
|
|
|
- logger.warn(CLUSTER_TAG_ROUTE_EMPTY, "condition router get providerApplication is empty, will not subscribe to provider app rules.", "", "");
|
|
|
- return;
|
|
|
- }
|
|
|
- if (providerApplication.equals(currentApplication)) {
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- synchronized (this) {
|
|
|
- if (!providerApplication.equals(application)) {
|
|
|
- if (StringUtils.isNotEmpty(application)) {
|
|
|
- this.getRuleRepository().removeListener(application + RULE_SUFFIX, this);
|
|
|
- }
|
|
|
- String key = providerApplication + RULE_SUFFIX;
|
|
|
- this.getRuleRepository().addListener(key, this);
|
|
|
- application = providerApplication;
|
|
|
- String rawRule = this.getRuleRepository().getRule(key, DynamicConfiguration.DEFAULT_GROUP);
|
|
|
- if (StringUtils.isNotEmpty(rawRule)) {
|
|
|
- this.process(new ConfigChangedEvent(key, DynamicConfiguration.DEFAULT_GROUP, rawRule));
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-}
|